A231438 - OEIS

A231438

Number of (n+2)X(5+2) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..3 introduced in row major order

%I #4 Nov 09 2013 06:22:11

%S 11,45,185,820,4450,21472,117959,653280,3702873,21843997,128432043,

%T 772854026,4670530787,28365620848,173414566634,1061055576890,

%U 6512490329181,40022336748789,246149226462653,1515462897926857

%N Number of (n+2)X(5+2) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..3 introduced in row major order

%C Column 5 of A231441

%H R. H. Hardin, <a href="/A231438/b231438.txt">Table of n, a(n) for n = 1..130</a>

%e Some solutions for n=5

%e ..0..0..1..1..2..2..2....0..0..1..1..2..2..2....0..0..0..0..0..0..0

%e ..0..0..1..1..2..2..2....0..0..1..1..2..2..2....0..0..0..1..1..0..0

%e ..0..0..0..1..1..2..2....0..0..0..1..1..2..2....0..0..1..1..1..1..1

%e ..0..0..0..1..1..3..3....0..0..0..0..1..1..1....2..2..1..1..1..1..1

%e ..0..0..0..1..3..3..3....3..3..0..0..0..1..1....2..2..2..1..1..3..3

%e ..0..0..1..1..3..3..3....3..3..3..0..0..0..0....2..2..2..2..3..3..3

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 09 2013